Definition of "invalidation" [in•val•i•da•tion]

The act of invalidating, or the state of being invalidated.(noun)

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Use "invalidation" in a sentence

"The ultimate invalidation is to look at some kid who is refusing to pay attention or behave well, and not respect that there's something by way of rebellion and resistance going on there, and then to medicalize it and then to drug it."

"And if you are still losing ground de-legitimize your opponent, also known as the invalidation technique."

"My criticism remains even if you replace "invalidation" with "a finding of unenforceability"."